搜索结果: 1-15 共查到“农学 first”相关记录132条 . 查询时间(0.109 秒)
First IUSS Conference on Sodic Soil Reclamation-first announcement
IUSS Conference Sodic Soil Reclamation first announcement
2020/10/21
This conference will focus on the key scientific issues of sodic soil reclamation, face the theoretical innovation of soil sodificaton and improvement of sodic soil management. It will build a communi...
First characterisation of minor and neglected Vitis vinifera L. cultivars from Mount Etna
Sicily grapevine biometric SSR identification
2018/3/6
Eight minor and neglected cultivars of Vitis vinifera L. were characterised according to their ampelographic and agronomic
traits and discriminated by molecular analysis with SSR markers. These resul...
First Step Taken Toward Epigenetically Modified Cotton（图）
First Step Toward Epigenetically Modified Cotton
2017/7/21
With prices down and weather patterns unpredictable, these are tough times for America’s cotton farmers, but new research led by Z. Jeffrey Chen at The University of Texas at Austin mi...
First record of a new alien economically important thrips Dichromothrips corbetti (Priesner, 1936) (Thysanoptera: Thripidae) in Slovakia – short communication
orchids pest Phalaenopsis spp. vanda thrips
2017/6/26
The first record of vanda thrips (Dichromothrips corbetti [Priesner, 1936], Thysanoptera, Thripidae) in Slovakia is presented. An economically important pest with heavy infestations on flowers of Phal...
Genetic correlations between first parity and accumulated second to last parity reproduction traits as selection aids to improve sow lifetime productivity
Breeding Swine Genetic Parameters Reproduction Traits Subsequent Reproductive Performance
2017/3/9
The objective of this research was to estimate genetic correlations between number of piglets born alive in the first parity (NBA1), litter birth weight in the first parity (LTBW1), number of piglets ...
The first confirmed report on Fusarium sporotrichioides on Pinus ponderosa var. jeffreyi in Slovakia
old pine morphological characteristics phylogenetic analysis fungal plant pathogen
2016/9/2
During 2014–2015, samples from ten 20–25 years old pine (Pinus ponderosa var. jeffreyi) trees showing wilt symptoms were collected from the Arborétum Mlyňany park. A disease was observed on 20% of the...
First record of Dendroctonus micans (Kugelann,1794) on non-native spruces in Slovakia–short communication
great spruce bark beetle urban forestry pests Picea orientalis Picea pungens
2016/9/2
In 2015, we recorded the first attack of the great spruce bark beetle, Dendroctonus micans (Kugelann) (Coleoptera: Curculionidae, Scolytinae) on non-native Picea orientalis (L.) and Picea pungens (Eng...
The first finding of Hassall’s corpuscles in the thymi of cultured sturgeons
Acipenser ruthenus Acipenser brevirostrum histology thymus
2016/9/1
Histological examination of thymi from juvenile Acipenser ruthenus and Acipenser brevirostrum after haematoxylin and eosin staining revealed the presence of Hassall’s corpuscles, in a scattered distri...
The first contribution to the fauna of psocids (Insecta:Psocoptera) in forests in the Drahanská vrchovina Hills (Czech Republic)
taxocenoses ecology forest ecosystems altitudinal vegetation zones
2016/6/3
Taxocenosis of psocids (Psocoptera) was studied in the territory of the Drahanská vrchovina Hills in the Czech Republic. Representative research plots were selected in forest ecosystems with natural s...
首届“智慧畜牧业国际研讨会”（First Asian Conference on Precision Livestock Farming,PLF-Asia）
智慧畜牧业 国际研讨会 PLF-Asia
2016/4/7
由“动物环境与福利国际研究中心”（IRCAEW, http://www.ircaew.org/）主办的首届“智慧畜牧业国际研讨会”（First Asian Conference on Precision Livestock Farming, PLF-Asia）将于2016年9月9日到11日在北京举行。智慧畜牧业（PLF）集传感器与传感、实时监测与数据分析、信息与决策等多种优势技术为一体，...
Relationships between growth and body condition development during the rearing period and performance in the first three lactations in Holstein cows
average daily weight gain body condition score heifer performance dairy cows
2015/10/9
The relationship between growth and development of body condition during the rearing of replacement heifers and their subsequent performance in the production period of Holstein cows in the Czech Repu...
Effects of bovine colostrum on performance, survival,and immunoglobulin status of suckling piglets during the first days of life
bovine colostrum supplement growth performance field trial nursery pig survivability
2015/9/15
Supplementation of bovine colostrum (BC) has shown to improve growth performance, intestinal development, and immune response in early-weaned pigs. Little is known about whether BC may have similar ef...
First report of Fusarium poae associated with and/or causing silvertop on loloid-type Festulolium in the Czech Republic
disease fertile stems causal agents grass hybrids Leptopterna dolabrata
2015/7/28
Silvertop is a serious disease of grasses, and severe infestations cause a great deal of damage every year (particularly to seed producers). Inflorescences of infected plants dry prematurely and are s...
The first detection of leafhopper Scaphoideus titanus Ball (Hemiptera, Cicadellidae) in Slovakia
American grapevine leafhopper occurrence phenology Flavescence doree
2015/7/28
Scaphoideus titanus Ball, the main vector of Flavescence dorée phytoplasma, was monitored in Slovakia during 2013 and 2014. The species was present in the vineyards of eastern Slovakia but it was rare...
Effect of the first and second postpartum partial milking on blood serum calcium concentration in dairy cows
incomplete colostrum milking subclinical hypocalcemia milk fever
2015/7/3
Parturient paresis and subclinical hypocalcemia are frequent metabolic disorders in dairy cows postpartum. The aim of this study was to determine the effect of postpartum partial milking in the first ...